Umbo
n. 盾心的浮雕装饰, 壳顶, 鼓膜凸\\n[医] 突, 圆头
🗣️ 情景例句
I always wanted to travel to Europe but I was afraid that language would be a problem.
我总想去欧洲旅游，但我又怕语言是个问题。
We are in the same boat, we both failed the exam.
我们都一样，考试都没及格。
Take a hike!
哪儿凉快哪儿歇着去吧。